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參數(shù)資料
| 型號(hào)： | NCP1351ADR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Variable Off Time PWM Controller |
| 中文描述： | 0.4 A SWITCHING CONTROLLER, PDSO8 |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁(yè)數(shù)： | 6/19頁(yè) |
| 文件大小： | 222K |
| 代理商： | NCP1351ADR2G |
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NCP1351
http://onsemi.com
6
Electrical Characteristics
(For typical values T
J
= 25
°
C, for Min/Max Values T
J
= 25
°
C to +125
°
C, Max T
J
= 150
°
C, V
CC
= 12 V
unless otherwise noted)
Symbol
Rating
Pin
Min
Typ
Max
Unit
SUPPLY SECTION AND V
CC
MANAGEMENT
VCC
ON
V
CC
Increasing Level at Which Driving Pulses are Authorized
6
15
18
22
V
VCC
STOP
V
CC
Decreasing Level at Which Driving Pulses are Stopped
6
8.3
8.9
9.5
V
VCC
HYST
Hysteresis Vcc
ON
Vcc
STOP
6
6
V
V
ZENER
Clamped V
CC
When Latched off / Burst Mode Activation
6
6
V
ICC1
Startup Current
6
10
A
ICC2
Internal IC Consumption with I
FB
= 50 A, F
SW
= 65 kHz and C
L
= 0
6
1.0
1.8
mA
ICC3
Internal IC Consumption with I
FB
= 50 A, F
SW
= 65 kHz and C
L
= 1 nF
6
1.6
2.5
mA
ICC
LATCH
Current Flowing into V
CC
pin that Keeps the Controller Latched
6
20
A
CURRENT SENSE
I
CSmin
Minimum Source Current (I
FB
= 90 A)
T
J
= 0
°
C to +125
°
C
3
61
70
75
A
I
CSmin
Minimum Source Current (I
FB
= 90 A)
T
J
= 25
°
C to +125
°
C
3
58
70
75
A
I
CSmax
Maximum Source Current (I
FB
= 50 A)
T
J
= 0
°
C to +125
°
C
3
251
270
289
A
I
CSmax
Maximum Source Current (I
FB
= 50 A)
T
J
= 25
°
C to +125
°
C
3
242
270
289
A
V
TH
Current Sense Comparator Threshold Voltage
3
10
20
35
mV
t
delay
Propagation Time Delay (CS Falling Edge to Gate Output)
3
160
300
ns
TIMING CAPACITOR
V
OFFSET
Minimum Voltage on C
T
Capacitor, I
FB
= 30 A
2
475
510
565
mV
VCT
MAX
Voltage on C
T
Capacitor at I
FB
= 150 A
2
5
V
I
CT
Source Current (Ct Pin Grounded)
2
10
11
12
A
VCT
MIN
Minimum Voltage on C
T
, Discharge Switch Activated
2
20
mV
T
DISCH
C
T
Capacitor Discharge Time (Activated at DRV Turnon)
2
1
s
V
FAULT
C
T
Capacitor Level at Which Fault Timer Starts
A, B Versions
2
0.4
0.5
0.6
V
FEEDBACK SECTION
V
FB
FB Pin Voltage for an Injected Current of 200 A
1
0.7
V
I
FAULT
FB Current Under Which a Fault is Detected
A, B versions
1
40
A
I
FBcomp
FB Current at Which CS Compression Starts
1
60
A
I
FBred
FB Current at Which CS Compression is Finished
1
80
A
Drive Output
T
r
Output Voltage Risetime @ CL = 1 nF, 10 90% of Output Signal
5
90
ns
T
f
Output Voltage Falltime @ CL = 1 nF, 10 90% of Output Signal
5
100
ns
R
OH
Source Resistance
5
80
R
OL
Sink Resistance
5
30
V
DRVlow
DRV Pin Level at V
CC
Close to VCC
STOP
with a 33 k Resistor to GND
5
8.0
V
V
DRVhigh
DRV Pin Level at V
CC
= 28 V
5
16
17
20
V
Protection
I
TIMER
Timing Capacitor Charging Current
8
10
11.5
13
A
V
TIMER
Fault Voltage on Pin 8
8
4.5
5
5.5
V
T
TIMER
Fault Timer Duration, C
TIMER
= 100 nF
42
ms
V
LATCH
Latching Voltage
7
4.5
5
5.5
V
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| NCP1351APG | 功能描述:電流型 PWM 控制器 VRIABLE OFF TM CNTRL RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1351BDR2G | 功能描述:電流型 PWM 控制器 OSPI PWM CONTROLLER RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1351BPG | 功能描述:電流型 PWM 控制器 VRIABLE OFF TM CNTRL RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1351CDR2G | 功能描述:電流型 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1351CPG | 功能描述:電流型 PWM 控制器 VRIABLE OFF TM CNTRL RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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